is a former

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

ese

football Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word ''football'' normally means the form of football that is the most popular where the word is used. Sports commonly c ...

player.

Playing career

Koyama was born in

Tamba-Sasayama , formerly known as , is a city in the central eastern part of Hyōgo Prefecture, Japan. , the city had an estimated population of 40,050 in 17523 households and a population density of 110 persons per km2. The total area of the city is Geograph ...

on December 27, 1982. After graduating from high school, he joined

J1 League The , known as the for sponsorship reasons, is the top level of the system. Founded in 1992, it is one of the most successful leagues in Asian club football. Contested by 18 clubs, it operates on a system of promotion and relegation with the J ...

club

JEF United Ichihara , full name and also known as , is a Japanese professional football club that plays in the J2 League. On 1 February 2005, the club changed its name from ''JEF United Ichihara'' to the current name after Chiba city had joined Ichihara, Chiba as ...

in 2001. However he could hardly play in the match until 2003. In 2004, he moved to

Japan Football League The also known as simply the JFL is the 4th tier of the Japanese association football league system, positioned beneath the three divisions of the J.League. The league features fully professional teams that hold J.League associate membership am ...

club

Otsuka Pharmaceutical (), abbreviated OPC, is a pharmaceutical company headquartered in Tokyo, Osaka and Naruto, Japan. The company was established August 10, 1964. History OPC's parent company Otsuka Holdings Co. Ltd. joined the Tokyo Stock Exchange through an ini ...

(later ''Tokushima Vortis''). Although he could not play at all in the match, the club won the champions in 2004 and was promoted to

J2 League The or simply J2 is the second division of the and the second level of the Japanese association football league system. The top tier is represented by the J1 League. It (along with the rest of the J.League) is currently sponsored by Meiji Yas ...

from 2005. He played many matches from 2005 and became a regular player as left side midfielder in 2007. However his opportunity to play decreased from summer 2007 and he could hardly play in the match in 2008. In 2009, he moved to his local club Banditonce Kakogawa in

Regional Leagues In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...

. He played many matches in 3 seasons and retired end of 2011 season.

Club statistics

References

External links

* 1982 births Living people Association football people from Hyōgo Prefecture Japanese footballers J1 League players J2 League players Japan Football League players JEF United Chiba players Tokushima Vortis players Association football midfielders {{Japan-footy-midfielder-1980s-stub